Respuesta :
The correct option is this: SAMPLE A IS ACIDIC AND SAMPLE B IS ACIDIC.
pH is a measure of the quantity of hydrogen ions that are present in a sample. Typically, pH values range from 0 to 14. A sample is said to be acidic if its pH fall between 1 and 6. pH value of 1 is the most acidic while pH value is the least acidic. Thus, the two samples given in the question are acidic, but sample A is more acidic than sample B.
Given the data from the question, Andy can conclude that:
- Sample A is acidic
- Sample B is acidic
What is pH ?
This is simply a measure of the acidity / alkalinity of a solution.
The pH measures the hydrogen ion concentration while the pOH measures the hydroxide ion concentration
pH scale
The pH scale is a scale that gives an understanding of the variation of the acidity / alkalinity of a solution.
The scale ranges from 0 to 14 indicating:
- 0 to 6 indicates acid
- 7 indicates neutral
- 8 to 14 indicate basic
With the above, information in mind, we can conclude as follow:
- Sample A (pH of 4) is acidic
- Sample B (pH of 6) is acidic
Learn more about pH:
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